Dyfyniad APA

Sutcliffe, A. J. E. (2003). The New York public library writer`s guide to style and usage.

Dyfyniad Arddull Chicago

Sutcliffe, Andrea J; Editor. The New York Public Library Writer`s Guide to Style and Usage. London, Macmillan, 2003.

Dyfyniad MLA

Sutcliffe, Andrea J; Editor. The New York Public Library Writer`s Guide to Style and Usage. 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.